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- 1. Multiple Choice
The formula for carbon dioxide is:
H2
CO
CO2
C2O
- 2. Multiple Choice
To test for carbon dioxide you use...
lime
lime juice
limestone
limewater
- 3. Multiple Choice
In the Early Earth's atmosphere there was no what?
oxygen
carbon dioxide
water vapour
nitrogen
- 4. Multiple Choice
When water vapour turns into liquid water it's called...
melting
condensing
evaporating
sublimation
- 5. Multiple Choice
The oceans formed because
the earth got hotter & ice melted
the earth cooled and vapour condensed
plants released water
volcanoes released liquid water
- 6. Multiple Choice
2 greenhouse gases are:
oxygen and argon
oxygen and carbon dioxide
carbon dioxide and methane
nitrogen and water vapour
- 7. Multiple Choice
Identify ALL the consequences of global warming:
melting ice caps
increased sea levels
more unpredictable weather
destroy the ozone layer
- 8. Multiple Choice
How much oxygen is in TODAY'S atmosphere?
80%
40%
21%
100%
- 9. Multiple Choice
Relighting a lit splint tests for which gas?
oxygen
carbon dioxide
chlorine
hydrogen
- 10. Multiple Choice
Burning fuels releases which gas?
O2
CO2
CH4
H2
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